There could be a bind or drag in the door mechanism or the springs may be damaged or need adjusting.
Garage door closes then opens a few inches.
I d bet a small fortune that your eyes are getting bounced around while it is opening shutting and disrupting the process but you will want to be sure you don t have anything major going on by doing the above.
The garage door can be operated manually by disconnecting the garage door opener from the door using the red pull cord.
Here s a rundown of some of the possible reasons this can be happening.
Disconnect the opener from the door itself like so and open it manually a few times.
Your garage door is programmed to travel a certain distance before it closes.
You push the button to close the garage door.
In order to fix this you ll want to make small changes to the close limit setting until the door opener knows to stop once the door has reached the floor.
It goes partway down reverses direction and goes back up again.
Fast easy step by step process on how to properly program your garage door travel system.
As is the case with so many issues at the home there s no one reason why your garage door closes then opens.
If not there is a problem with the door.
This is almost always the result of a dirty or obstructed safety feature.
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My garage door opens about six inches and stops i press the my garage door opens about six inches and stops i press the button twice so it will stop going down and then is goes up another 6 inches or so.
If the door starts to open but won t move more than a few inches the torsion spring may be broken.
Tighten and re align your eyes and you should be fine.
If your garage door is closing fully and then reversing to open again then it may be due to a problem with the close limit switch.
It s the part of the door mechanism that moves the chain that opens and closes the door.
Try to operate the garage door manually this helps you determine if the problem is related to the door or the motor.
Turn the down limit switch screw counterclockwise one turn per every 3 inches of the garage door gap the.
If the door is working properly it should be easy to lift by hand.
A broken torsion spring will also cause the door to slam closed instead of closing gently.